A-29
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
8020 Series
Snap-acting Momentary Pushbutton Switches
Features/Benefits
•
Positive tactile feel
•
Multi-positions available
•
Wide variety of termination options
•
Epoxy terminal seal compatible with
bottom wash cleaning
•
RoHS compliant models available
Typical Applications
•
Instrumentation
•
Computer peripherals
•
Telecommunications equipment
Specifications
CONTACT RATING: B contact material (8X25 Models): 0.4 VA max.
@ 20 V AC or DC maximum. G contact material (8X21, U8X1
Models): 1 AMP @ 120 V AC or 28 V DC or 0.4 VA max. @ 20 V
AC or DC max. Note: Break-before-makecontacts. Multi-pole
contacts do not make and break simultaneously. See page A-43
for additional ratings.
ELECTRICAL LIFE: 60,000 make-and-break cycles at full load.
CONTACT RESISTANCE: Below 50 mΩ typ. initial @
2-4 V DC, 100 mA, for both silver and gold plated contacts.
INSULATION RESISTANCE: 109Ω min.
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
OPERATING TEMPERATURE: 8X2X MODELS: –30ºC to 75ºC.
U8X1 MODELS: –30ºC to 65ºC.
CAP INSTALLATION FORCE: 10 lbs. max. permissible.
SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E
method 9 (1 hour steam aging).
NOTE: Any models supplied with B, P, R, or G contact material are RoHS compliant.
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Materials
CASE: Glass filled nylon 6/6 or diallyl phthalate (DAP),
flame retardant (UL 94V-0).
PLUNGER: Glass filled nylon or glass filled polyester (PBT) (UL 94V-0).
CAP & FRAME: Nylon, black, standard.
BUSHING: Brass or zinc, nickel plated.
HOUSING: Stainless steel.
SWITCH SUPPORT: Brass or steel, matte-tin plated.
N.O. & N.C. CONTACTS: 8X21, U8X1 MODELS: G contact material:
Coin silver, with gold plate over nickel plate. See page A-43 for
additional contact materials.
8X25 MODELS: B contact material: Copper alloy, with gold plate
over nickel plate. See page A-43 for additional contact materials.
COMMON CONTACT & ALL TERMINALS: Copper alloy, with gold
plate over nickel plate.
TERMINAL SEAL: Epoxy. Refer to soldering and cleaning
Technical Data Chapter.
HARDWARE: Nut & Locking Ring: Brass, nickel plated;
Lockwasher: Steel, nickel plated.
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box. Available options are shown
and described on pages A-30 thru A-45. For additional options not shown in catalog, consult Customer Service Center. All
models have epoxy terminal seal and are compatible with all “bottom-wash” PCB cleaning methods.
Switch Function
8121 SPDT On-Mom. 1 Amp
8125 SPDT On-Mom. 0.4VA
8221 DPDT On-Mom. 1 Amp
8225 DPDT On-Mom. 0.4VA
8321 3PDT On-Mom. 1 Amp
8325 3PDT On-Mom. 0.4VA
8421 4PDT On-Mom. 1 Amp
8425 4PDT On-Mom. 0.4VA
Note: UL models
available, see page A-30
and A-31.
Actuator or Plunger
S Plunger
NONE Snap-in
J80 Snap-in
J81 Snap-in w/frame
J82 Snap-in w/frame for LED
J83 Snap-in w/frame &
flush cap
J84 Snap-in w/frame for LED,
flush cap
J85 Snap-in w/frame & LED
J95 PC w/V-bracket & LED
L Plunger
M Snap-fitting plunger
Bushing
D9 .280” high, keyway
H .250” high, flat
NONE No bushing
choice required
D .280” high, keyway
D2 .288” high, flat
D3 .180” high
D8 .288” high, flat
H9 .250” high, flat, hi torque
Y .350” high, keyway
Y3 6.35mm high,
keyway, hi torque
Y4 .378” high, flat, hi torque
Y9 .350” high, keyway
Contact Material
B Gold
P Gold, matte-tin
G Gold over silver
R Gold over silver,
matte-tin
Seal
E Epoxy
I Epoxy potted
base Cap Color
2 Black
NONE Models
without caps
1 White
3 Red
4 Orange
5 Yellow
6 Green
7 Blue
9 Gray
Frame Color
2 Black
NONE Models
without frame
1 White
3 Red
5 Yellow
6 Green
9 Gray
LED Color
3 Red
NONE Models
without LED
5 Yellow
6 Green
Terminations
A Right angle, PC thru-hole
AV2 Vertical right angle, PC thru-hole
C PC Thru-hole
Z Solder lug
A2 Right angle, PC thru-hole
A3 Right angle, snap-in, PC thru-hole
A4 Right angle, PC thru-hole, reversed terminals
A6 Right angle, PC thru-hole
AV1 Vertical right angle, PC thru-hole
AV3 Vertical right angle, snap-in, PC thru-hole
R Right angle with PCB
R2 Right angle with PCB, reversed terminals
V2 .555” high, V-bracket
V3 .460” high, V-bracket
V4 .630” high, V-bracket
V6 .460” high, V-bracket
V7 .630” high, V-bracket
V8 .953” high, V-bracket
V9 1.150” high, V-bracket
V31 .460” high, snap-in V-bracket
V61 .460” high, snap-in V-bracket
W .750” long, wire wrap
W1 .964” long, wire wrap
W3 .425” long, wire wrap
W4 1.062” long, wire wrap
Z3 Quick connect
Models Available
29 Aug 18
A-30
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
SWITCH FUNCTION
MOM. = Momentary
*U811 thru U841 model numbers with all options (except R, R2 terminations)
when ordered with G or R contact material.
8X25 models must be ordered with B or P contact material.
8X21 and U8X1 models must be ordered with G or R contact material.
3PDT
1-2,4-5,7-81-3,4-6,7-9
MOM.
MOM.
ON
ON
U8318321
8325
3P
DPDT
1-2,4-51-3,4-6
MOM.
MOM.
ON
ON
U8218221
8225
DP
SPDT
1-21-3
MOM.
MOM.
ON
ON
U8118121
8125
SP
SCHEMATIC
CONNECTED TERMINALS
POS. 1POS. 2
SWITCH FUNCTION
POS. 1 POS. 2
UL/CSA*
MODEL
NO.
MODEL NO.
NO.
POLES
SPDT
DPDT
3PDT
Terminal Nos.
For Reference Only
Terminal Nos.
For Reference Only
Part number shown: 8121SHZGE
Part number shown: 8221SHZGE
Terminal Nos.
For Reference Only
Part number shown: 8321SHZGE
C&K marking on
opposite side
C&K marking on
opposite side
29 Aug 18
A-31
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
OPTION
CODE CAP AND FRAME COLOR
2 BLACK
NONE No Frame Color (J80 option)
1 WHITE
3 RED
4 ORANGE
5 YELLOW
6 GREEN
7 BLUE
9 GRAY
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
SWITCH FUNCTION
ACTUATOR—SNAP-IN FRONT MOUNT
**
PANEL MOUNTING
**
PANEL MOUNTING
MOM. = Momentary
* U811 thru U841 model numbers with all options (except R, R2 terminations)
when ordered with G or R contact material.
Other colors available, consult Customer
Service Center. Cap and Frame Finish: matte.
NOTE: Caps and frames available separately,
see pages A-44 and A-45.
NOTE: No frame color choice required.
** Increase this dim. to .620/.625 (15,75/15,88) for .091/.125 (2,31/3,18) thk. panels.
NOTE: Available with C, W-W4, Z or Z3 terminations and SPDT and DPDT models only.
** Increase this dim. to .620/.625 (15,75/15,88) for .091/.125 (2,31/3,18) thk. panels.
8X25 models must be ordered with B or P contact material.
8X21 and U8X1 models must be ordered with G or R contact material.
J80 SNAP-IN
J81 SNAP-IN WITH FRAME
ACTUATOR OR PLUNGER
CAP COLOR
FRAME COLOR
4PDT
1-2,4-5,7-8,10-111-3,4-6,7-9,10-12
MOM.
MOM.
ON
ON
U8418421
8425
4P
SCHEMATIC
CONNECTED TERMINALS
POS. 1POS. 2
SWITCH FUNCTION
POS. 1 POS. 2
UL/CSA*
MODEL
NO.
MODEL NO.
NO.
POLES
4PDT
Terminal Nos.
For Reference Only
Part number shown: 8421SHZGE
C&K marking on
opposite side
C&K marking on
opposite side
29 Aug 18
A-32
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
OPTION
CODE
CAP AND FRAME
COLOR
2 BLACK
1 WHITE
3 RED
4 ORANGE
5 YELLOW
6 GREEN
7 BLUE
9 GRAY
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
ACTUATOR—SNAP-IN FRONT MOUNT
**
PANEL MOUNTING
J83
SNAP-IN WITH FRAME AND FLUSH CAP
LED not included.
For LED information, see page A-45.
LED not included.
For LED information, see page A-45.
J84
SNAP-IN WITH FRAME FOR LED, FLUSH CAP
J82
SNAP-IN WITH FRAME FOR LED
Other colors available, consult
Customer Service Center.
Cap and Frame Finish: matte.
Available with C, W-W4, Z or Z3 terminations and
SPDT and DPDT models only.
NOTE: Caps and frames available separately,
see pages A-44 and A-45.
ACTUATOR OR PLUNGER
CAP COLOR
FRAME COLOR
29 Aug 18
A-33
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
OPTION
CODE
CAP AND FRAME
COLOR
2 BLACK
1 WHITE
3 RED
4 ORANGE
5 YELLOW
6 GREEN
7 BLUE
9 GRAY
OPTION
CODE LED COLOR
3 RED
5 YELLOW
6 GREEN
OPTION
CODE
CAP AND FRAME
COLOR
2 BLACK
1 WHITE
3 RED
4 ORANGE
5 YELLOW
6 GREEN
7 BLUE
9 GRAY
OPTION
CODE LED COLOR
3 RED
5 YELLOW
6 GREEN
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
ACTUATOR—SNAP-IN FRONT MOUNT
ACTUATOR—PC MOUNT
*
* Increase this dim. to .620/.625 (15,75/15,88) for
.091/.125 (2,31/3,18) thk. panels.
PANEL MOUNTING
PC MOUNTING
J85
SNAP-IN WITH FRAME AND LED
J95
PC WITH V-BRACKET AND LED
ACTUATOR OR PLUNGER
CAP COLOR LED COLOR
FRAME COLOR
ACTUATOR OR PLUNGER
CAP COLOR
LED COLOR
Available with C, W-W4, Z or Z3
terminations and SPDT models only.
For LED information see page A-45.
NOTE: Caps & frames available
separately, see pages A-44 and A-45.
For LED information see page A-45.
NOTE: Caps available separately, see page A-44.
Available with V3 terminations and SPDT models only.
For LED information see page A-45.
8121J85ZGE223
SPST
8121J95V3GE23
SPST
29 Aug 18
A-34
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
AVAILABLE
BUSHINGS
DIM. ‘A’
FOR C, W-W4, Z & Z3
TERMINATIONS
DIM. ‘A’
FOR A, A2, A3, A4, A6,
AV-A3, R & R2
TERMINATIONS
DIM. ‘A’
FOR V3-V61
TERMINATIONS
D, D9 .244 (6,20) .228 (5,79) .224 (5,69)
H, H9 .218 (5,54) .202 (5,13) .198 (5,03)
Y, Y9 .203 (5,16) .187 (4,75) .183 (4,65)
Y3 (5,54) (5,13) (5,03)
Y4 .185 (4,70) .169 (4,29) .165 (4,19)
D2, D8 N/A .232 (5,89) .228 (5,79)
D3 N/A .162 (4,11) .158 (4,01)
AVAILABLE
BUSHINGS
DIM. ‘C’
FOR C, W-W4, Z & Z3
TERMINATIONS
DIM. ‘C’
FOR A, A2, A3, A4, A6,
AV-A3, R & R2
TERMINATIONS
DIM. ‘C’
FOR V3-V61
TERMINATIONS
D, D9 .297 (7,54) .281 (7,14) .277 (7,04)
H, H9 .267 (6,78) .251 (6,38) .247 (6,27)
Y, Y9 .259 (6,58) .243 (6,17) .239 (6,07)
Y3 (6,78) (6,37) (6,27)
Y4 .259 (6,58) .243 (6,17) .239 (6,07)
D2, D8 N/A .273 (6,93) .269 (6,83)
D3 N/A .361 (9,17) .357 (9,07)
AVAILABLE
BUSHINGS
DIM. ‘B’
FOR C, W-W4, Z & Z3
TERMINATIONS
DIM. ‘B’
FOR A, A2, A3, A4, A6,
AV-A3, R & R2
TERMINATIONS
DIM. ‘B’
FOR V3-V61
TERMINATIONS
Y, Y9 .178 (4,52) .162 (4,11) .158 (4,01)
Y4 .090 (2,29) .074 (1,88) .070 (1,78)
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
PLUNGER
BUSHING
1/4-40 UNS-2A
NONE
NO BUSHING
CHOICE REQUIRED
(JXX ACTUATORS)
Y9
.350” HIGH UNTHREADED, KEYWAY
H9
.250”34 HIGH UNTHREADED,
FLAT
H
.250”34 HIGH THREADED, FLAT
Y
.350” HIGH THREADED, KEYWAY
D9
.28034” HIGH UNTHREADED,
KEYWAY
D
.280” HIGH THREADED, KEYWAY
M
SNAP-FITTING PLUNGER
L
PLUNGER
NONE
NO PLUNGER CHOICE REQUIRED
(JXX ACTUATORS)
S
PLUNGER
ACTUATOR OR PLUNGER
NOTE: When selecting plunger option, bushing selection must also be made, see next page. No plunger option is required when any
JXX actuator option is selected. Additional plunger lengths are available on SPDT and DPDT models, consult Customer Service Center.
Not all plunger lengths sufficient for use with caps, see page A-44.
H bushing standard with C, W-W4, Z or Z3 terminations.
H, H9 bushings not available on single pole models with
A3-A6, R, R2 terminations.
Will withstand 12 in./lbs. of torque with
no distortion.
D9 bushing standard with A-A6,
R, R2 AV-AV3 terminations.
N/A = NOT AVAILABLE
29 Aug 18
A-35
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
OPTION
CODE DIM ‘A’
W .750 (19,05)
W1 .964 (24,49)
W3 .425 (10,80)
W4 1.062 (26,97)
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
BUSHING
TERMINATIONS
1/4-40 UNS-2A
PC MOUNTING
DIM `A'
W W1, W3, W4
WIRE WRAP
Z3
QUICK CONNECT
C
PC THRU-HOLE
Z
SOLDER LUG
D3
.180” HIGH UNTHREADED
D8
.288” HIGH UNTHREADED, FLAT
D2
.288” HIGH THREADED, FLAT
Y4
.378” HIGH THREADED, FLAT
Y3
6.35mm THREADED, KEYWAY
SPDT thru 4PDT
SPDT thru 4PDT
SPDT thru 4PDTSPDT thru 4PDT
Not available with J95 actuator, P or R contact
material. Mating quick connector available,
order part number 530100000, page A-44.
Not available with J95 actuator option.
Not available with J95 actuator option.
Not available with J95 actuator,
P or R contact material.
NOTE: No bushing option choice required when JXX actuator option is selected. When selecting bushing option, plunger
selection must also be made, see previous page. Plunger lengths vary with bushing and termination options selected.
NOTE: Two mounting nuts, locking ring and lockwasher supplied standard with threaded bushings.
Optional mounting nut and locking ring styles available, see section “Technical Data and Additional Hardware”.
Y3 & Y4 bushings not available on single pole models with
A3-A6, R, R2 terminations. Will withstand 12 in./lbs. of torque
with no distortion.
D2, D8 bushings not available with
C, W-W4, Z, Z3 terminations.
D3 bushing available with
A, A2, A3, AV, AV2, AV3 and
V2-V61 terminations only.
29 Aug 18
A-36
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
TERMINATIONS
PC MOUNTING
PC MOUNTING
SECTION A-A
.138
(3,51)
A3
RIGHT ANGLE, SNAP-IN, PC THRU-HOLE
A
RIGHT ANGLE, PC THRU-HOLE
A
RIGHT ANGLE, PC THRU-HOLE
A3
RIGHT ANGLE, SNAP-IN, PC THRU-HOLE
8121SD9AGE
SPDT
8221SD9AGE
DPDT
Not available with JXX actuators and I seal.
Terminal bend radii and lead-in manufacturing option.
Not available with JXX actuators and I seal option.
Terminal bend radii and lead-in manufacturing option.
29 Aug 18
A-37
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
TERMINATIONS
SECTION A-A
PC MOUNTING
8321SD9AGE
3PDT
8121SD9A2GE
SPDT
8121SD9A4GE
SPDT
A4
RIGHT ANGLE, PC THRU-HOLE, REVERSED TERMINALS
A2
RIGHT ANGLE, PC THRU-HOLE
A
RIGHT ANGLE, PC THRU-HOLE
Not available with JXX actuators and I seal option.
Terminal bend radii and lead-in manufacturing option.
Not available with JXX actuators, I seal option.
Terminal bend radii and lead-in manufacturing option.
Not available with JXX actuators, D3, H, H9, Y3, Y4 bushings and I seal.
Terminal bend radii and lead-in manufacturing option.
The A4 and R2 termination options are functionally identical and fit the same PC mounting pattern.
The switches, however, are shifted relative to the mounting holes. The PC pattern must clear the
switch support legs. Unlike the R2, the A4 option is available with UL/CSA.
PC MOUNTING
29 Aug 18
A-38
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
TERMINATIONS
PC MOUNTING
Reversed terminals
PC MOUNTING
PC MOUNTING
A6
RIGHT ANGLE, PC THRU-HOLE
R2
RIGHT ANGLE WITH PCB, REVERSED TERMINALS
R
RIGHT ANGLE WITH PCB
Not available with JXX actuators, D3, H, H9, Y3, Y4 bushings and I seal.
Terminal bend radii and lead-in manufacturing option.
Not available with JXX actuators, D3, H, H9, Y3, Y4 bushings, I seal option.
R termination not UL/CSA approved.
Not available with JXX actuators, D3, H, H9, Y3, Y4 bushings, I seal option.
R2 termination not UL/CSA approved.
The A6 and R termination options are functionally identical and fit the same PC mounting pattern,
The switches, however, are shifted relative to the mounting holes. The PC pattern must clear the
switch support legs. Unlike the R, the A6 option is available with UL/CSA.
8121SD9A6GE
SPDT
8121SD9RGE
SPDT
8121SD9R2GE
SPDT
29 Aug 18
A-39
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
TERMINATIONS
.15 (3,8)
.33 TYP.
(8,4)
PC MOUNTING
PC MOUNTING
AV2
VERTICAL RIGHT ANGLE, PC THRU-HOLE, .150” PITCH
AV1
VERTICAL RIGHT ANGLE, EXTENDED,
PC THRU-HOLE, .150” PITCH
AV3
VERTICAL RIGHT ANGLE, SNAP-IN,,
PC THRU-HOLE, .150” PITCH
AV1
VERTICAL RIGHT ANGLE, EXTENDED,
PC THRU-HOLE, .150” PITCH
AV3
VERTICAL RIGHT ANGLE, SNAP-IN,
PC THRU-HOLE, .150” PITCH
AV2
VERTICAL RIGHT ANGLE, PC THRU-HOLE, .150” PITCH
8121SD9AV2GE
SPDT
8221SD9AV2GE
DPDT
Not available with JXX actuators and I seal.
Terminal bend radii and lead-in manufacturing option.
Not available with JXX actuators and I seal.
Terminal bend radii and lead-in manufacturing option.
29 Aug 18
A-40
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
OPTION CODE DIM ‘A’
V2 .555 (14,10)
V6, V61 .460 (11,68)
V7 .630 (16,00)
V8 .953 (24,21)
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
TERMINATIONS
.15 (3,8)
.33 TYP.
(8,4)
PC MOUNTING
PC MOUNTING
PC MOUNTING
8321SD9AV2GE
3PDT
8421SD9AV2GE
4PDT
8121SD3__GE
SPDT
AV2
VERTICAL RIGHT ANGLE, PC THRU-HOLE, 150” PITCH
AV1
VERTICAL RIGHT ANGLE, EXTENDED,
PC THRU-HOLE, .150” PITCH
AV3
VERTICAL RIGHT ANGLE, SNAP-IN,
PC THRU-HOLE, .150” PITCH
V2, V6, V7, V8
VERTICAL MOUNT, V-BRACKET
V61
VERTICAL MOUNT, V-BRACKET, SNAP-IN
AV1
VERTICAL RIGHT ANGLE, EXTENDED,
PC THRU-HOLE, .150” PITCH
AV3
VERTICAL RIGHT ANGLE, SNAP-IN,
PC THRU-HOLE, .150” PITCH
AV2
VERTICAL RIGHT ANGLE, PC THRU-HOLE, 150” PITCH
Not available with JXX actuators and I seal.
Terminal bend radii and lead-in manufacturing option.
Not available with JXX actuators and I seal.
Terminal bend radii and lead-in manufacturing option.
Not available with JXX actuators and I seal.
29 Aug 18
A-41
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
OPTION
CODE DIM ‘A’
V2 .555 (14,10)
V7 .630 (16,00)
V8 .953 (24,21)
OPTION
CODE DIM ‘A’
V2 .555 (14,10)
V7 .630 (16,00)
V8 .953 (24,21)
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
TERMINATIONS
PC MOUNTING
PC MOUNTING
PC MOUNTING
V61
VERTICAL MOUNT, V-BRACKET, SNAP-IN
V2, V6, V7, V8
VERTICAL MOUNT, V-BRACKET
V2, V7, V8
VERTICAL MOUNT, V-BRACKET
V2, V7, V8
VERTICAL MOUNT, V-BRACKET
8221SD3__GE
DPDT
8321SD3__GE
3PDT
8421SD3__GE
4PDT
Not available with JXX actuators and I seal.
Not available with JXX actuators and I seal.
Not available with JXX actuators and I seal.
OPTION
CODE DIM ‘A’
V2 .555 (14,10)
V6, V61 .460 (11,68)
V7 .630 (16,00)
V8 .953 (24,21)
29 Aug 18
A-42
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
OPTION
CODE DIM ‘A’
V3, V31 .460 (11,68)
V4 .630 (16,00)
V9 1.150 (29,21)
OPTION
CODE DIM ‘A’
V3, V31 .460 (11,68)
V4 .630 (16,00)
V9 1.150 (29,21)
OPTION
CODE DIM ‘A’
V4 .630 (16,00)
V9 1.150 (29,21)
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
TERMINATIONS
PC MOUNTING
PC MOUNTING
.630
(16,00)
PC MOUNTING
V31
VERTICAL MOUNT, V-BRACKET, SNAP-IN
V3, V4, V9
VERTICAL MOUNT, V-BRACKET
V4, V9
VERTICAL MOUNT, V-BRACKET
V31
VERTICAL MOUNT, V-BRACKET, SNAP-IN
V3, V4, V9
VERTICAL MOUNT, V-BRACKET
Not available with J8X actuators and I seal.
Not available with J8X actuators and I seal.
Not available with JXX actuators and I seal.
8121SD3__GE
SPDT
8221SD3__GE
DPDT
8321SD3V4GE
3PDT
29 Aug 18
A-43
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
OPTION
CODE DIM ‘A’
V4 .630 (16,00)
V9 1.150 (29,21)
NO.
POLES DIM ‘A’
SP .410 (10,41)
DP .440 (11,18)
3P .505 (12,83)
4P .505 (12,83)
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
TERMINATIONS
CONTACT MATERIAL
SEAL
PC MOUNTING
.630
(16,00)
Not available with JXX actuators and I seal.
8421SD3V4GE
4PDT
V4, V9
VERTICAL MOUNT, V-BRACKET
E
EPOXY SEAL
I
EPOXY POTTED BASE
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definitions and specifications.
1
ALL CONTACTS & TERMINALS: Copper alloy, with gold plate over nickel plate.
2
N.O. AND N.C. CONTACTS: Coin silver, with gold plate over nickel plate.
3
COMMON CONTACTS & ALL TERMINALS: Copper alloy, with gold plate
over nickel plate.
4
TERMINALS: Copper alloy, with matte-tin over nickel plate.
NOTE: Any models supplied with B, P, R or G contact material are RoHS compliant.
U811-U841 models with all options (except R, R2 terminations) when ordered with
mandatory G or R contact material.
B or P contact material must be ordered with 8X25 models.
G or R contact material must be ordered with 8X21, U8X1 models.
P or R contact material not available with Z, Z3 terminations.
NOTE: Available with C, W-W4, Z, Z3 terminations only.
OPTION
CODE
CONTACT
MATERIAL
TERMINAL
PLATING RATINGS
GOLD
1
GOLD
3
MATTE-TIN
4
GOLD
1
MATTE-TIN
4
LOW LEVEL/DRY CIRCUIT
LOW LEVEL/DRY
CIRCUIT OR POWER
8x25 MODELS ONLY: 0.4 MAX.
@ 20 V AC OR DC MAX.
8X21, U8X1 MODELS ONLY: 0.4 VA MAX
@ 20 V AC OR DC MAX. OR 1 AMP
@ 120 V AC OR 28 V DC.
B
P
G
R
GOLD OVER SILVER
2,3
29 Aug 18
A-44
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
Cap
PART NO.
708901000
WHITE
708902000
BLACK
708903000
RED
708904000
ORANGE
708905000
YELLOW
708906000
GREEN
708907000
BLUE
708909000
GRAY
Material: Nylon
Finish: Gloss
Cap
PART NO.
752701000
WHITE
752702000
BLACK
752703000
RED
752704000
ORANGE
752705000
YELLOW
752706000
GREEN
752707000
BLUE
752709000
GRAY
Material: Nylon
Finish: Gloss
Cap
PART NO.
801801000
WHITE
801802000
BLACK
801803000
RED
801804000
ORANGE
801805000
YELLOW
801806000
GREEN
801807000
BLUE
801809000
GRAY
Material: Nylon
Finish: Gloss
Cap, Snap-fitting plunger
PART NO.
452D01000
WHITE
452D02000
BLACK
452D03000
RED
452D04000
ORANGE
452D05000
YELLOW
452D06000
GREEN
452D07000
BLUE
452D09000
GRAY
Material: Nylon
Finish: Gloss
Cap, Snap-fitting plunger
PART NO.
894101000
WHITE
894102000
BLACK
894103000
RED
894104000
ORANGE
894105000
YELLOW
894106000
GREEN
894107000
BLUE
894109000
GRAY
Material: Nylon
Finish: Gloss
Cap, J80, J81, J82, J83 & J84 options only
PART NO.
484601000
WHITE
484602000
BLACK
484603000
RED
484604000
ORANGE
484605000
YELLOW
484606000
GREEN
484607000
BLUE
484609000
GRAY
Material: Nylon
Finish: Gloss
Frame
PART NO.
615602263
BLACK
Material: Nylon
Finish: Matte
Frame
PART NO.
613302263
BLACK
Material: Nylon
Finish: Matte
Cap, J85 & J95 options only
PART NO.
459701000
459702000
459703000
459704000
459705000
459706000
459707000
459709000
Material: Nylon
Finish: Matte
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
AVAILABLE HARDWARE
Fits Z3 Termination
female connector
PART NO.
530100000
Available in loose pieces.
PART NO.
476801000
WHITE
476802000
BLACK
476803000
RED
476804000
ORANGE
476805000
YELLOW
476806000
GREEN
476807000
BLUE
476809000
GRAY
Material: Nylon
Finish: Gloss
PART NO.
798201000
WHITE
798202263
BLACK
798203000
RED
798204000
ORANGE
798205000
YELLOW
798206000
GREEN
798207000
BLUE
798209000
GRAY
Material: Nylon
Finish: Matte
NOTE: Additional nuts, locking rings and lockwashers available separately, see section
“Technical Data and Additional Hardware”.
Other cap & frame colors available, consult Customer Service Center.
29 Aug 18
A-45
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
Third Angle
Projection
8020 Series
Snap-acting Momentary Pushbutton Switches
AVAILABLE HARDWARE
.030
(0,76)
.200 DIA.
(5,08˘)
.025 SQ.
TYP. (0,63)
.750
(19,05)
.340
(8,64)
.230 DIA.
(5,84˘)
Flat denotes
cathode.
Suggested LED for J82 & J84 options.
Dimensions for reference only.
TYPICAL APPLICATION
Above frames (part nos. 432XXXXXX) are also available with insert which accepts LED for
indicator light assembly. Order insert separately from frame. Blank insert panel (without hole
for LED) also available. LED not included.
Panel Inserts
Special colors, custom markings available, consult Customer Service Center.
PANEL INSERT
WITH HOLE FOR LED
PART NO.
894902000
BLANK PANEL INSERT
WITHOUT HOLE FOR LED
PART NO.
476602000
BLACK
.090” (2,29) PANEL THK.
PART NO.
432702263
.125” (3,18) PANEL THK.
PART NO.
432802263
BLACK
Frames snap into panel opening and are independent from switch mounting. Accurate positioning of the PC
mounted switch relative to the panel opening is necessary to provide proper clearance between actuator and
frame. Available in two basic styles and four panel thicknesses .047-.125 in. Material: Nylon. Finish: Matte.
LED INFORMATION
SWITCHES WITH LED SUPPLIED: J85, J95 OPTIONS:
Rectangular LEDs are supplied on 8020 Series pushbutton switches with J85 and J95 options. These LEDs are factory installed and are not
replaceable. The following specifications apply:
Process Information: Soldering to LED leads must be completed within 5 seconds at
500ºF (260ºC) maximum.
Caution: Circuit elements must limit forward current of LED to 50mA max. continuous.
* Extra-bright red LED available (typ. intensity 4.5 mcd), consult Customer Service Center.
LEDs are not supplied with J82, J84 options. LED snaps into switch frame surrounding
actuator and is wired externally.
OPTION
CODE COLOR
TYP.
INTENSITY
TYP.
FORWARD
VOLTAGE
TYP.
FORWARD
CURRENT
MAX RATINGS AT 25ºC AMBIENT TEMPERATURE
FORWARD CONTINUOUS POWER
VOLTAGE FORWARD CURRENT DISSIPATION
6
3
5
Green
Red*
Yellow
1.0 mcd
0.5 mcd
4.0 mcd
2.1 V
20 mA
10 mA
20 mA
2.5 V
50 mA
30 mA
50 mA
125 mW
75 mW
125 mW
29 Aug 18
